The Vet. Book 



contraction of the muscular fibres of the bronchial 

 tubes, and is of an intermittent nature. 



In the dog it is denoted by suddenness of seizure, 

 the animal being attacked with a rapid series of 

 inspiratory movements, as though in fear of 

 impending suffocation. Aged dogs that are very 

 fat and indolent are the most frequent sufferers, 

 and is often associated with a torpid condition of 

 the bowels. It is practically incurable, in all 

 animals, and much the same as in man. 



B 



Belladonna 



Atropa Belladonna or the Deadly Night-shade is 

 a poisonous perennial, sending up annual shoots, 

 bearing thin ovate leaves, flowering in the 

 Autumn. The flowers are a dusky brown ; bell- 

 shaped ; and the fruit consists of green berries 

 whilst unripe, which subsequently turn black. 

 Both the leaves and fruit are exceedingly poisonous, 

 containing an active principle known as Atropine. 

 Medicinal extracts are prepared from both leaves 

 and root. 



Belladonna causes widening of sphincter muscles, 

 hence the pupil becomes dilated, and other 

 sphincters relaxed. 



Bites and Stings 

 Both these accidents are liable to occur, more 

 especially in the horse and dog. When dogs are 



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